#container{width:940px;background:#FFF;height:610px;margin:auto}
.welcom{width:940px;height:20px;background:url(../images/welcom_bg.gif)}
#left{width:630px;float:left}
#left-top{width:630px;height:300px}
#nav{background:url(images/loadsmall.gif) #000 no-repeat 330px 100px;overflow:hidden;width:630px;position:relative;height:300px}
#nav UL{z-index:999;left:3px;bottom:0;position:absolute;text-align:left}
#nav UL LI{display:block;font-weight:900;font-size:12px;float:left;width:110px;color:#aaa;font-family:Arial;position:relative;height:50px}
#nav LI DIV{margin-top:5px;display:none;padding-left:10px;margin-left:70px}
#nav LI IMG{border-right:#fff 1px solid;border-top:#fff 1px solid;filter:alpha(opacity=60);left:10px;float:left;border-left:#fff 1px solid;width:52px;cursor:pointer;margin-right:4px;border-bottom:#fff 1px solid;position:absolute;top:5px;height:35px;moz-opacity:0.6}
#frontText{font-weight:900;font-size:30px;z-index:999;left:20px;width:100%;color:#fff;font-family:Verdana;position:absolute;top:20px}
#frontTextBack{font-weight:900;font-size:30px;left:22px;width:100%;color:#000;font-family:Verdana;position:absolute;top:22px}
#frontTextSub{font-size:13px;left:25px;width:100%;color:#fff;font-family:Verdana;position:absolute;top:60px}
#BG{border-top:#999 1px solid;background:#000;filter:alpha(opacity=60);width:100%;bottom:0;position:absolute;height:50px;text-align:right;moz-opacity:0.6}
#mask{z-index:990;background:url(mask.gif);left:0;width:100%;position:absolute;top:0;height:100%}
#back{text-align:center}
.gray{filter:Gray()}
#left-bottom{width:630px;height:280px;margin-top:10px}
#l_b_left{float:left;width:310px;height:280px;background:url(../images/bg_keyan.gif)}
#l_b_right{float:left;width:310px;height:280px;background:url(../images/bg_xinxi.gif);margin-left:10px}
.title_top{border-bottom:solid 1px #bfbfbf}
.title1,.title2,.title3{width:100px;height:20px;line-height:20px;background:url(../images/title1.jpg);text-align:center;float:left;border:solid 1px #bfbfbf;border-bottom:none;font-weight:700;color:#960}
.title2{background:url(../images/title2.jpg);color:#030}
.title3{background:url(../images/title3.jpg);color:#099}
.clear{clear:both}
.span a,.span a:link,.span a:visited{font-weight:700;color:#424242;text-decoration:none;float:right;margin-top:0;font-size:10pt}
.span a:hover{font-weight:600;color:red;text-decoration:underline}
#right{width:290px;float:right;height:550px;margin-left:20px}
.right-top{height:150px}
#tongzhigonggao{float:left;width:290px;height:130px;text-align:left;background:url(../images/bg_tongzhi.gif)}
.right-center{width:290px;height:140px;margin-top:10px}
#download{float:left;width:290px;height:120px;text-align:left;background:url(../images/bg_xiazai.gif)}
.right-bottom{height:280px;margin-top:10px;background:url(../images/bg_youqing.gif)}
.p{color:#000;font-size:14px;text-align:center;line-height:40px;margin-top:0}
.science_nr,.information_nr,.link{margin-top:8px;color:#333;font-size:10pt}
.science_nr li,.information_nr li,.link li{border-bottom:dashed 1px #bcbcbc;padding-left:8px;height:30px;line-height:30px;list-style-image:url(../images/li.gif)}
.science_nr ul li a,.science_nr ul li a:link,.science_nr ul li a:visited,.information_nr ul li a,.information_nr ul li a:link,.information_nr ul li a:visited,#tongzhigonggao ul li a,#tongzhigonggao ul li a:link,#tongzhigonggao ul li a:visited,#download ul li a,#download ul li a:link,#download ul li a:visited,.link ul li a,.link ul li a:link,.link ul li a:visited{color:#333;text-decoration:none}
.science_nr ul li a:hover,.information_nr ul li a:hover,#tongzhigonggao ul li a:hover,#download ul li a:hover,.link ul li a:hover{color:#000;text-decoration:underline}
#tongzhigonggao ul,#download ul{padding-left:24px!important;border:1px solid #e0e0e0;margin:0;font-size:10pt}
#tongzhigonggao li,#download li{border-bottom:1px dotted #e7e7e7;list-style-image:url(../images/li.gif);list-style-type:none;line-height:18px;width:90%}

.nav{height:0}